2019

2018

2017

Basic earnings per common share

Net income attributable to Quaker Chemical Corporation

$

31,622

$

59,473

$

20,278

Less: income allocated to participating securities

(90)

(253)

(137)

Net income available to common shareholders

$

31,532

$

59,220

$

20,141

Basic weighted average common shares outstanding

15,126,928

13,268,047

13,204,872

Basic earnings per common share

$

2.08

$

4.46

$

1.53

Diluted earnings per common share

Net income attributable to Quaker Chemical Corporation

$

31,622

$

59,473

$

20,278

Less: income allocated to participating securities

(90)

(252)

(137)

Net income available to common shareholders

$

31,532

$

59,221

$

20,141

Basic weighted average common shares outstanding

15,126,928

13,268,047

13,204,872

Effect of dilutive securities

36,243

36,685

41,074

Diluted weighted average common shares outstanding

15,163,171

13,304,732

13,245,946

Diluted earnings per common share

$

2.08

$

4.45

$

1.52